The average weight of 25 students is 50 kg. If the weight of teacher is included, average increases by 1 kg. What is teacher's weight? MCQ with Answer and Explanation

Question

The average weight of 25 students is 50 kg. If the weight of teacher is included, average increases by 1 kg. What is teacher's weight?

A. 75

B. 74

C. 80

D. 76

Answer: Option D

Solution (By JKSSB Mock Tests)

Total students weight=1250. New total for 26=26×51=1326. Teacher=1326-1250=76 kg.

This question belongs to: Maths Average

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If average of 9, 12, 15, x is 13, x is

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B. 15

C. 17

D. 16

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Correct Answer: Option D

Explanation:
Sum=52. 9+12+15+x=52. x=16.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers 1150. If average of 5 is 1145, average of remaining 3?

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Question #3

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Average of 5,10,15,20,25,30 is

A. 17.5

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